ARC AND GAS WELDING - Practice Mode

1) What is the Quenching media of normalising?
Correct Answer: Open air
2) Which type of physical transformation takes place during arc welding process?
Correct Answer: Metal transfer
3) What is the colour of acetylene gas cylinder?
Correct Answer: Maroon
4) What is the colour of oxygen gas cylinder?
Correct Answer: Black
5) What is the dia of medium coated MS electrode used in fillet weld lap joint with 110/120 Amps welding current?
Correct Answer: 3.15 mm